Stripe Checkout Invalid metadata error encountered during Stripe Checkout integration.

The metadata provided is invalid, possibly due to incorrect key-value pairs or exceeding size limits.

Understanding Stripe Checkout

Stripe Checkout is a prebuilt, hosted payment page optimized for conversion. It enables businesses to accept payments online with ease, providing a seamless experience for customers. Stripe Checkout supports various payment methods and currencies, making it a versatile tool for global transactions.

Identifying the Symptom

When integrating Stripe Checkout, developers might encounter an error message related to metadata. The error typically reads: invalid_metadata. This error indicates that the metadata provided during the transaction process is not valid.

Exploring the Issue

The invalid_metadata error occurs when the metadata associated with a Stripe object does not meet the required format or exceeds the allowed size. Metadata in Stripe is used to store additional information about an object in key-value pairs, which can be useful for internal tracking and reporting.

Common Causes of the Error

  • Metadata keys or values are not strings.
  • The size of the metadata exceeds Stripe's limits.
  • Incorrect data types used for metadata values.

Steps to Fix the Issue

To resolve the invalid_metadata error, follow these steps:

1. Validate Metadata Format

Ensure that all metadata keys and values are strings. For example, use:

{
"order_id": "1234",
"customer_note": "Urgent delivery"
}

instead of:

{
"order_id": 1234,
"customer_note": true
}

2. Check Metadata Size

Stripe imposes a limit on the size of metadata. Ensure that the total size of your metadata does not exceed 500 characters. You can read more about metadata limits in the Stripe API documentation.

3. Review Metadata Keys

Ensure that metadata keys are unique and descriptive. Avoid using generic keys that might conflict with other metadata entries.

Additional Resources

For further information on handling metadata in Stripe, refer to the following resources:

By following these steps, you can effectively resolve the invalid_metadata error and ensure a smooth integration with Stripe Checkout.

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